Home / 219,830.88-303,373.50-124,335.72

Finding the Fourth Proportional to 219,830.88, 303,373.50 and 124,335.72

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Solution

The fourth proportional to 219,830.88, 303,373.50 and 124,335.72 is: 171,587.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,830.88 : 303,373.50 = 124,335.72 : x
  2. Step 2: Convert to fraction form
    219,830.88/303,373.50 = 124,335.72/x
  3. Step 3: Cross multiply
    219,830.88x = 303,373.50 × 124,335.72
  4. Step 4: Simplify right side
    219,830.88x = 37,720,162,551.42
  5. Step 5: Solve for x
    x = 37,720,162,551.42/219,830.88
  6. Step 6: Final answer
    x = 171,587.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.